diff --git a/back/methods/chat/sendCheckingPresence.js b/back/methods/chat/sendCheckingPresence.js
index b2a3ca725f..6fa029b702 100644
--- a/back/methods/chat/sendCheckingPresence.js
+++ b/back/methods/chat/sendCheckingPresence.js
@@ -24,8 +24,14 @@ module.exports = Self => {
     });
 
     Self.sendCheckingPresence = async(ctx, workerId, message) => {
+        if (!workerId) return false;
+
         const models = Self.app.models;
         const account = await models.Account.findById(workerId);
+        const userId = ctx.req.accessToken.userId;
+
+        if (!account)
+            throw new Error(`Could not send message "${message}" to worker id ${workerId} from user ${userId}`);
 
         const query = `SELECT worker_isWorking(?) isWorking`;
         const [result] = await Self.rawSql(query, [workerId]);
@@ -37,7 +43,7 @@ module.exports = Self => {
                 }
             });
             const department = workerDepartment && workerDepartment.department();
-            const channelName = department.chatName;
+            const channelName = department && department.chatName;
 
             if (channelName)
                 return Self.send(ctx, `#${channelName}`, `@${account.name} => ${message}`);
diff --git a/modules/client/front/fiscal-data/index.js b/modules/client/front/fiscal-data/index.js
index 98773de759..b2602f7a4c 100644
--- a/modules/client/front/fiscal-data/index.js
+++ b/modules/client/front/fiscal-data/index.js
@@ -24,14 +24,15 @@ export default class Controller extends Component {
         const filter = encodeURIComponent(JSON.stringify(filterObj));
         const query = `Clients/findOne?filter=${filter}`;
         this.$http.get(query).then(res => {
-            if (res.data.id) {
-                const params = {clientId: res.data.id};
-                const question = $t('Found a client with this phone or email', params, null, null, 'sanitizeParameters');
+            const params = {clientId: res.data.id};
+            const question = $t('Found a client with this phone or email', params, null, null, 'sanitizeParameters');
 
-                this.client.despiteOfClient = params.clientId;
-                this.$.confirmDuplicatedClient.question = question;
-                this.$.confirmDuplicatedClient.show();
-            }
+            this.client.despiteOfClient = params.clientId;
+            this.$.confirmDuplicatedClient.question = question;
+            this.$.confirmDuplicatedClient.show();
+        }).catch(error => {
+            if (error.status == 404)
+                this.save();
         });
     }
 
diff --git a/modules/travel/back/methods/travel/filter.js b/modules/travel/back/methods/travel/filter.js
index ecf152b0c5..4d1be2d0e1 100644
--- a/modules/travel/back/methods/travel/filter.js
+++ b/modules/travel/back/methods/travel/filter.js
@@ -63,6 +63,10 @@ module.exports = Self => {
                 type: 'Number',
                 description: 'The totalEntries filter',
                 http: {source: 'query'}
+            }, {
+                arg: 'ref',
+                type: 'string',
+                description: 'The reference'
             }
         ],
         returns: {
@@ -80,9 +84,11 @@ module.exports = Self => {
         let where = buildFilter(ctx.args, (param, value) => {
             switch (param) {
             case 'search':
-                return {'t.id': value};
+                return /^\d+$/.test(value)
+                    ? {'t.id': value}
+                    : {'t.ref': {like: `%${value}%`}};
             case 'ref':
-                return {[param]: {regexp: value}};
+                return {'t.ref': {like: `%${value}%`}};
             case 'shippedFrom':
                 return {'t.shipped': {gte: value}};
             case 'shippedTo':
diff --git a/modules/travel/back/methods/travel/specs/filter.spec.js b/modules/travel/back/methods/travel/specs/filter.spec.js
index 03849f2b0e..d04b0f0931 100644
--- a/modules/travel/back/methods/travel/specs/filter.spec.js
+++ b/modules/travel/back/methods/travel/specs/filter.spec.js
@@ -2,38 +2,53 @@ const app = require('vn-loopback/server/server');
 
 describe('Travel filter()', () => {
     it('should return the travel matching "search"', async() => {
-        let ctx = {
+        const ctx = {
             args: {
                 search: 1
             }
         };
 
-        let result = await app.models.Travel.filter(ctx);
+        const result = await app.models.Travel.filter(ctx);
+        const firstRow = result[0];
 
         expect(result.length).toEqual(1);
-        expect(result[0].id).toEqual(1);
+        expect(firstRow.id).toEqual(1);
+    });
+
+    it('should return the travel matching "search" by ref', async() => {
+        const ctx = {
+            args: {
+                search: 'third'
+            }
+        };
+
+        const result = await app.models.Travel.filter(ctx);
+        const firstRow = result[0];
+
+        expect(result.length).toEqual(1);
+        expect(firstRow.id).toEqual(3);
     });
 
     it('should return the travel matching "warehouse out"', async() => {
-        let ctx = {
+        const ctx = {
             args: {
                 warehouseOutFk: 2
             }
         };
 
-        let result = await app.models.Travel.filter(ctx);
+        const result = await app.models.Travel.filter(ctx);
 
         expect(result.length).toEqual(8);
     });
 
     it('should return the travel matching "total entries"', async() => {
-        let ctx = {
+        const ctx = {
             args: {
                 totalEntries: 1,
             }
         };
 
-        let result = await app.models.Travel.filter(ctx);
+        const result = await app.models.Travel.filter(ctx);
 
         expect(result.length).toEqual(5);
     });
@@ -44,14 +59,14 @@ describe('Travel filter()', () => {
         from.setHours(0, 0, 0, 0);
         to.setHours(23, 59, 59, 999);
         to.setDate(to.getDate() + 1);
-        let ctx = {
+        const ctx = {
             args: {
                 shippedFrom: from,
                 shippedTo: to
             }
         };
 
-        let result = await app.models.Travel.filter(ctx);
+        const result = await app.models.Travel.filter(ctx);
 
         expect(result.length).toEqual(1);
     });
diff --git a/modules/worker/back/models/calendar-holidays-type.json b/modules/worker/back/models/calendar-holidays-type.json
index a83dbc13cf..178331b877 100644
--- a/modules/worker/back/models/calendar-holidays-type.json
+++ b/modules/worker/back/models/calendar-holidays-type.json
@@ -14,7 +14,7 @@
 		"name": {
 			"type": "String"
 		},
-		"rgb": {
+		"hexColour": {
 			"type": "String"
 		}
 	},
diff --git a/modules/worker/back/models/worker-dms.json b/modules/worker/back/models/worker-dms.json
index 56cad65a64..f8ad824bc4 100644
--- a/modules/worker/back/models/worker-dms.json
+++ b/modules/worker/back/models/worker-dms.json
@@ -13,10 +13,10 @@
     },
     "properties": {
         "id": {
-            "type": "Number",
-            "id": true
+            "type": "Number"
         },
         "dmsFk": {
+            "id": true,
             "type": "Number",
             "required": true,
             "mysql": {